/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchyController.h
Adds a control to the hierarchy
The key for the newly created animation channel.
[FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) AddAnimationChannel ( [FName](API\Runtime\Core\UObject\FName) InName, [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) InParentControl, [FRigControlSettings](API\Plugins\ControlRig\Rigs\FRigControlSettings) InSettings, bool bSetupUndo, bool bPrintPythonCommand )